Quenching device for deep groove ball bearing ring

Abstract

The utility model provides a deep groove ball bearing ring quenching device which comprises a cooling box, a turntable which is driven by a motor and is provided with a horizontal central line is arranged right above the cooling box, and a heating barrel is vertically arranged above the cooling box and on one side of the central line of the turntable; a plurality of connecting arms are uniformly arranged in the circumferential direction of the turntable, and hooks for hanging bearing rings are rotationally mounted at the far ends of the connecting arms; the upper end and the lower end of the heating barrel are open, a receding opening allowing the connecting arm to penetrate through is vertically formed in the face, facing the rotary disc, of the heating barrel, and an electric heating pipe is arranged in the heating barrel and close to the barrel wall. The automatic quenching device is simple in structure and convenient to operate, realizes automatic quenching operation on the bearing ring in small-batch production of deep groove ball bearings, and reduces the production cost.

Description

Technical Field

[0001] The utility model belongs to the field of bearing production, in particular to a deep groove ball bearing ring quenching device. Background Art

[0002] In the production of deep groove ball bearings, in order to improve the wear resistance of the inner and outer rings, the inner and outer rings of deep groove ball bearings need to be quenched. At present, in small batch production, the inner and outer rings of deep groove ball bearings are quenched by first manually placing the bearing rings in an electric heating tube to heat them to a set temperature, and then manually placing the high-temperature bearing rings in cooling water to cool them down to achieve the bearing ring quenching operation. This operation process is labor-intensive and has low production efficiency. Utility Model Content

[0003] In view of this, the utility model aims to provide a deep groove ball bearing ring quenching device to simplify the structure, reduce costs, and facilitate the quenching operation of the inner and outer rings of the deep groove ball bearing.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A deep groove ball bearing ring quenching device comprises a cooling box, a rotating disk driven by a motor and with a horizontal center line is arranged directly above the cooling box, and a heating barrel is arranged vertically above the cooling box and on one side of the center line of the rotating disk;

[0006] A plurality of connecting arms are evenly arranged in the circumferential direction of the rotating disk, and a hook for hanging a bearing ring is rotatably installed at the distal end of the connecting arm;

[0007] The upper and lower ends of the heating barrel are open respectively, and a side of the heating barrel facing the turntable is vertically provided with an escape opening for the connecting arm to pass through, and an electric heating tube is arranged in the heating barrel near the barrel wall.

[0008] Furthermore, an axis parallel to the center line of the turntable is provided at the distal end of the connecting arm;

[0009] The hook comprises a sleeve, a suspension rod, a cross rod and a hook portion connected in sequence, the sleeve is arranged horizontally, the suspension rod portion is fixed to the bottom of the outer circumference of the sleeve, and the hook portion is upward and has a length smaller than the suspension rod portion;

[0010] The sleeve is movably sleeved on the shaft and is rotationally connected with the shaft.

[0011] Furthermore, the motor is a stepping motor.

[0012] Furthermore, the electric heating tube is a ring-shaped structure that is wound around the avoidance position of the heating barrel.

[0013] Furthermore, the number of the connecting arms is four.

[0014] Compared with the prior art, the deep groove ball bearing ring quenching device described in the utility model has the following advantages:

[0015] The utility model has a simple structure and is easy to operate. The positions of the cooling box, the turntable and the heating barrel are relatively fixed. The inner ring or the outer ring of the deep groove ball bearing is hoisted on the connecting arm and moves with the turntable. It first enters the heating barrel for heating and then enters the cooling box and is immersed in the cooling water of the cooling box for cooling. The automatic quenching operation of the bearing rings in the small batch production of deep groove ball bearings is realized, thereby reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0017] Figure 1 This is a front view of a deep groove ball bearing ring quenching device according to an embodiment of the utility model;

[0018] Figure 2 This is a left view of a deep groove ball bearing ring quenching device according to an embodiment of the utility model;

[0019] Figure 3 This is a three-dimensional schematic diagram of the heating barrel in this embodiment;

[0020] Figure 4 This is a three-dimensional schematic diagram of the hook in this embodiment;

[0021] Figure 5 This is the front view of the electric heating tube in this embodiment;

[0022] Figure 6 This is a top view of the electric heating tube in this embodiment.

[0023] Description of reference numerals:

[0024] 1-turntable; 2-heating barrel; 21-avoidance; 3-electric heating tube; 4-cooling box; 5-hook; 51-sleeve; 52-suspender part; 53-cross bar part; 54-hook part; 6-axis; 7-connecting arm; 8-motor; 9-bearing ring; 10-first bracket; 11-second bracket. DETAILED DESCRIPTION

[0025] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0026] like Figure 1 , 2As shown, a deep groove ball bearing ring quenching device includes a turntable 1, a cooling box 4 and a heating barrel 2 fixed in position to each other. The cooling box 4 is provided with a water inlet and a water outlet at its bottom. The turntable 1 is located directly above the cooling box 4, and its center line is arranged horizontally. The turntable 1 is matched with a motor 8, which is a stepping motor. The motor 8 is mounted on the cooling box 4 through a first bracket 10. The turntable 1 is mounted on the main shaft of the motor 8, and the motor 8 drives the turntable 1 to rotate. The heating barrel 2 is located above the cooling box 4 and arranged on one side of the center line of the turntable 1. The heating barrel 2 is connected and fixed to the cooling box 4 through a second bracket 11.

[0027] The structure of the heating barrel 2 is as follows Figure 3 As shown, the upper and lower ends of the heating barrel 2 are respectively open, and a bypass opening 21 for the connecting arm 7 to pass through is vertically opened on one side of the heating barrel 2 facing the turntable 1. The bypass opening 21 is a through groove structure that penetrates the barrel wall of the heating barrel 2, and the upper and lower ends of the bypass opening 21 respectively pass through the upper and lower end surfaces of the barrel wall of the heating barrel 2, so that during the rotation of the turntable 1, the connecting arm 7 passes through the bypass opening 21, so that the distal end of the connecting arm 7 enters the heating barrel 2 from the upper port of the heating barrel 2, and then moves out from the lower port of the heating barrel 2. An electric heating tube 3 is provided in the heating barrel 2 near the barrel wall.

[0028] Four connecting arms 7 are evenly arranged in the circumferential direction of the turntable 1. The four connecting arms 7 are respectively arranged along the radial direction of the turntable 1. A shaft 6 is arranged at the far end of the connecting arm 7. The shaft 6 is parallel to the center line of the turntable 1. The shaft 6 is rotatably installed with a hook 5 for hanging a bearing ring.

[0029] The working principle of the utility model is as follows: the turntable 1 drives the connecting arm 7 to rotate, and the connecting arm 7 corresponds to four stations on the turntable 1, wherein the connecting arm 7 rotates to the side of the turntable 1 away from the heating barrel 2 as the loading and unloading station, at which the quenched bearing ring is removed by the connecting arm 7, and the next bearing ring 9 to be quenched is hung on the hook 5 of the connecting arm 7; the connecting arm 7 rotates to the highest point of the turntable 1 as the preparation station; the connecting arm 7 rotates to the position corresponding to the heating barrel 2 as the heating station, and the connecting arm 7 is connected to the heating station at the heating station The arm 7 moves the mounted bearing ring 9 to the heating barrel 2 for heating to the set temperature; the connecting arm 7 rotates downward to the position of the cooling box 4, which is a cooling station, in which the heated bearing ring 9 mounted by the connecting arm 7 is immersed in the cooling water contained in the cooling box 4 for cooling, thereby completing the quenching operation; the quenched bearing ring 9 is rotated to the loading and unloading station with the connecting arm, the quenched bearing ring 9 is removed, and the next bearing ring 9 is mounted on the hook 5, and then the above operation is repeated to perform the quenching operation.

[0030] In the utility model, the hook 5 structure is as follows Figure 4As shown, it includes a sleeve 51, a suspension rod 52, a cross rod 53 and a hook 54 connected in sequence. The sleeve 51 is horizontally arranged, and its inner hole is arranged corresponding to the diameter of the shaft 6. The suspension rod 52 is fixed to the bottom of the outer circumference of the sleeve 51. The hook 54 is upward and parallel to the suspension rod 52, and the length of the hook 54 is smaller than the suspension rod 52. The suspension rod 52, the cross rod 53 and the hook 54 form a hook structure with an opening facing upward. The bearing ring is hung on the cross rod 53 to improve the stability of the bearing ring hanging. The sleeve 51 is movably sleeved on the shaft 6, and the clearance between the sleeve 51 and the shaft 6 is matched to realize the rotation connection between the sleeve 51 and the shaft 6.

[0031] In the utility model, the electric heating tube 3 has a structure as follows Figure 5 , Figure 6 As shown, it is a ring-shaped structure that winds around the avoidance opening 21 of the heating barrel 2. The electric heating tube 3 is arranged in the heating barrel 2, and its two terminals are respectively passed through the barrel wall of the heating barrel 2 and connected to the power supply.

[0032] The utility model has a simple structure. The rotation of the turntable enables the connecting arm to pass through the loading and unloading stations, the preparation station, the heating station and the cooling station in sequence, and completes corresponding operations in the four stations, thereby realizing the automatic quenching operation of the bearing rings in the small batch production of deep groove ball bearings, improving production efficiency and reducing production costs.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A deep groove ball bearing ring quenching device, characterized in that: It comprises a cooling box (4), a rotating disk (1) driven by a motor (8) and with a horizontal center line is arranged directly above the cooling box (4), and a heating barrel (2) is arranged vertically above the cooling box (4) and on one side of the center line of the rotating disk (1); The rotating disk (1) is evenly provided with a plurality of connecting arms (7) in the circumferential direction, and a hook (5) for hanging a bearing ring is rotatably installed at the distal end of the connecting arm (7); The upper and lower ends of the heating barrel (2) are open respectively, and a clearance opening (21) for the connecting arm (7) to pass through is vertically opened on one side of the heating barrel (2) facing the turntable (1), and an electric heating pipe (3) is arranged near the barrel wall in the heating barrel.

2. A deep groove ball bearing ring quenching device according to claim 1, characterized in that: The connecting arm (7) is provided with a shaft (6) at the far end thereof which is parallel to the center line of the rotating disk; The hook (5) comprises a sleeve (51), a suspension rod (52), a cross rod (53) and a hook portion (54) connected in sequence, the sleeve (51) is arranged horizontally, the suspension rod (52) is fixed to the bottom of the outer circumference of the sleeve (51), and the hook portion (54) is upward and has a length smaller than the suspension rod (52); The sleeve (51) is movably sleeved on the shaft (6) and is rotationally connected to the shaft (6).

3. A deep groove ball bearing ring quenching device according to claim 1, characterized in that: The motor (8) is a stepping motor.

4. A deep groove ball bearing ring quenching device according to claim 1, characterized in that: The electric heating tube (3) is a ring-shaped structure that winds around the avoidance opening (21) of the heating barrel (2).

5. A deep groove ball bearing ring quenching device according to claim 1, characterized in that: The number of the connecting arms (7) is four.

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